¡@
2014/10/15 ¤U¤È 10:12:22
iphone Programming Glossary: openglWant to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started library using Visual Studio on Windows. What I do not know Much about Objective C Anything about OpenGL or OpenGL ES which the iPhone apparently uses Anything about XCode My main problem is that I don't know.. using Visual Studio on Windows. What I do not know Much about Objective C Anything about OpenGL or OpenGL ES which the iPhone apparently uses Anything about XCode My main problem is that I don't know where.. know where to start All the iPhone books I found seem to be about creating GUI applications not OpenGL apps. I found an OpenGL book but I don't know how much if any applies to iPhone development. And I find..
OpenGL Texture Coordinates in Pixel Space http://stackoverflow.com/questions/5879403/opengl-texture-coordinates-in-pixel-space Texture Coordinates in Pixel Space I'm working on an iPhone app that uses OpenGL ES 2 for its drawing... Texture Coordinates in Pixel Space I'm working on an iPhone app that uses OpenGL ES 2 for its drawing. I know that typically texture coordinates are defined in the 0 1 range but ideally..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour OpenGL rendering breaks UIScrollView behaviour There are a few similar questions out there on SO links at.. there on SO links at end but none of them has allowed me to fix my problem so here goes I'm using OpenGL rendering to make an image tiling and caching library for use in a game project and I want to hijack.. Thanks in advance Promised links to similar questions UIScrollView broken and halts scrolling with OpenGL rendering related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 alternative to glReadPixels in iPhone OpenGL ES 2.0 Is there any faster way to access the frame buffer than using glReadPixels I would need read.. the web and found some approach like using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As.. es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out that the texture cache support added in iOS 5.0 doesn't..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines iPhone the lines get extremely thin and w o any anti aliasing. How do you get AA on iPhone iphone opengl es line antialiasing share improve this question One can achieve the effect of anti aliasing very..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code gyroscope sample code I am planning to develop an gyroscope based project like rotating an opengl texture using gyroscope data is there any sample code released from apple about gyroscope or any tutorial..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve this question You should probably start with some simpler iphone apps tutorials..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone POT sized. But OpenGL ES 1.1 requires textures to be POT. Maybe it can't be done on ES 1.1 iphone opengl es render to texture share improve this question While OpenGL ES 1.1 does not support non power..
OpenGL Texture Coordinates in Pixel Space http://stackoverflow.com/questions/5879403/opengl-texture-coordinates-in-pixel-space 0 0 texcoords glEnableVertexAttribArray ATTRIB_TEXTUREPOSITON iphone objective c cocoa touch opengl es share improve this question This has been asked a few times but I don't have the links at hand..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x Note For answers about learning general OpenGL see http stackoverflow.com questions 62540 learning opengl Some resources I've found http khronos.org opengles 1_X http www.imgtec.com powervr insider sdk KhronosOpenGLES1xMBX.asp.. http stackoverflow.com questions 62540 learning opengl Some resources I've found http khronos.org opengles 1_X http www.imgtec.com powervr insider sdk KhronosOpenGLES1xMBX.asp OpenGL Distilled by Paul Martz.. OpenGL Distilled by Paul Martz a good refresher on OpenGL basics iphone 3d opengl es share improve this question There is some documentation in iPhone SDK itself. Other than that..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data.. and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL.. coreVideoTextureCache renderTarget NULL texture attributes GL_TEXTURE_2D GL_RGBA opengl format int videoSize.width int videoSize.height GL_BGRA native iOS format GL_UNSIGNED_BYTE..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started basically how it works and the XNA game development library using Visual Studio on Windows. What I do not know Much about Objective C Anything about OpenGL or OpenGL ES which the iPhone apparently uses Anything about XCode My main problem is that I don't know where to start All the iPhone books I found seem to be about.. basically how it works and the XNA game development library using Visual Studio on Windows. What I do not know Much about Objective C Anything about OpenGL or OpenGL ES which the iPhone apparently uses Anything about XCode My main problem is that I don't know where to start All the iPhone books I found seem to be about creating.. uses Anything about XCode My main problem is that I don't know where to start All the iPhone books I found seem to be about creating GUI applications not OpenGL apps. I found an OpenGL book but I don't know how much if any applies to iPhone development. And I find the Objective C syntax somewhat confusing with the weird..
OpenGL Texture Coordinates in Pixel Space http://stackoverflow.com/questions/5879403/opengl-texture-coordinates-in-pixel-space Texture Coordinates in Pixel Space I'm working on an iPhone app that uses OpenGL ES 2 for its drawing. I know that typically texture coordinates are defined in.. Texture Coordinates in Pixel Space I'm working on an iPhone app that uses OpenGL ES 2 for its drawing. I know that typically texture coordinates are defined in the 0 1 range but ideally I'd like to map them from 0 1023 the size of my TextureAtlas..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour OpenGL rendering breaks UIScrollView behaviour There are a few similar questions out there on SO links at end but none of them has allowed me to fix my problem so here.. behaviour There are a few similar questions out there on SO links at end but none of them has allowed me to fix my problem so here goes I'm using OpenGL rendering to make an image tiling and caching library for use in a game project and I want to hijack the physics of the UIScrollView to allow the user to navigate.. know how to fix the UIScrollView working in other run modes Thanks in advance Promised links to similar questions UIScrollView broken and halts scrolling with OpenGL rendering related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone iphone opengl es share improve this question..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 alternative to glReadPixels in iPhone OpenGL ES 2.0 Is there any faster way to access the frame buffer than using glReadPixels I would need read only access to a small rectangular rendering area in the frame.. I have to perform this operation repeatedly. I have searched the web and found some approach like using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL.. ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out that the texture cache support added in iOS 5.0 doesn't just work for fast upload of camera frames to OpenGL ES but..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines It looks good in the iPhone simulator but on the iPhone the lines get extremely thin and w o any anti aliasing. How do you get AA on iPhone iphone opengl es line antialiasing share improve this question One can achieve the effect of anti aliasing very cheaply using vertices with opacity 0. Here's an image example..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code gyroscope sample code I am planning to develop an gyroscope based project like rotating an opengl texture using gyroscope data is there any sample code released from apple about gyroscope or any tutorial about integrating gyroscope with openGL... I searched..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started towards the Model View Controller paradigm which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve this question You should probably start with some simpler iphone apps tutorials just to get your footing on obj c and xcode etc. For that I..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone it has to be the size of the render buffer which isn't POT sized. But OpenGL ES 1.1 requires textures to be POT. Maybe it can't be done on ES 1.1 iphone opengl es render to texture share improve this question While OpenGL ES 1.1 does not support non power of two textures newer iOS device models have the extension GL_APPLE_texture_2D_limited_npot..
OpenGL Texture Coordinates in Pixel Space http://stackoverflow.com/questions/5879403/opengl-texture-coordinates-in-pixel-space 48 0 0 0 glVertexAttribPointer ATTRIB_TEXTUREPOSITON 2 GL_SHORT 0 0 texcoords glEnableVertexAttribArray ATTRIB_TEXTUREPOSITON iphone objective c cocoa touch opengl es share improve this question This has been asked a few times but I don't have the links at hand so a quick and rough explanation. Let's say the texture is..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour and halts scrolling with OpenGL rendering related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are what's breaking UIScrollView's scrolling..
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x with 1.x so I may miss out on some important concepts. Note For answers about learning general OpenGL see http stackoverflow.com questions 62540 learning opengl Some resources I've found http khronos.org opengles 1_X http www.imgtec.com powervr insider sdk KhronosOpenGLES1xMBX.asp OpenGL Distilled by Paul Martz a good refresher.. concepts. Note For answers about learning general OpenGL see http stackoverflow.com questions 62540 learning opengl Some resources I've found http khronos.org opengles 1_X http www.imgtec.com powervr insider sdk KhronosOpenGLES1xMBX.asp OpenGL Distilled by Paul Martz a good refresher on OpenGL basics iphone 3d opengl es share.. opengles 1_X http www.imgtec.com powervr insider sdk KhronosOpenGLES1xMBX.asp OpenGL Distilled by Paul Martz a good refresher on OpenGL basics iphone 3d opengl es share improve this question There is some documentation in iPhone SDK itself. Other than that just take what you know about OpenGL or learn that via other..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 searched the web and found some approach like using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out.. the web and found some approach like using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out that the.. CVOpenGLESTextureCacheCreateTextureFromImage kCFAllocatorDefault coreVideoTextureCache renderTarget NULL texture attributes GL_TEXTURE_2D GL_RGBA opengl format int videoSize.width int videoSize.height GL_BGRA native iOS format GL_UNSIGNED_BYTE 0 renderTexture glBindTexture CVOpenGLESTextureGetTarget..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started XNA game development library using Visual Studio on Windows. What I do not know Much about Objective C Anything about OpenGL or OpenGL ES which the iPhone apparently uses Anything about XCode My main problem is that I don't know where to start All.. development library using Visual Studio on Windows. What I do not know Much about Objective C Anything about OpenGL or OpenGL ES which the iPhone apparently uses Anything about XCode My main problem is that I don't know where to start All the iPhone.. is that I don't know where to start All the iPhone books I found seem to be about creating GUI applications not OpenGL apps. I found an OpenGL book but I don't know how much if any applies to iPhone development. And I find the Objective C..
OpenGL Texture Coordinates in Pixel Space http://stackoverflow.com/questions/5879403/opengl-texture-coordinates-in-pixel-space Texture Coordinates in Pixel Space I'm working on an iPhone app that uses OpenGL ES 2 for its drawing. I know that typically.. Texture Coordinates in Pixel Space I'm working on an iPhone app that uses OpenGL ES 2 for its drawing. I know that typically texture coordinates are defined in the 0 1 range but ideally I'd like to map..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour OpenGL rendering breaks UIScrollView behaviour There are a few similar questions out there on SO links at end but none of them.. questions out there on SO links at end but none of them has allowed me to fix my problem so here goes I'm using OpenGL rendering to make an image tiling and caching library for use in a game project and I want to hijack the physics of the.. in other run modes Thanks in advance Promised links to similar questions UIScrollView broken and halts scrolling with OpenGL rendering related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone iphone..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 alternative to glReadPixels in iPhone OpenGL ES 2.0 Is there any faster way to access the frame buffer than using glReadPixels I would need read only access to a small.. I have searched the web and found some approach like using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is.. ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily apparent but it turns out that the texture cache support added in iOS 5.0 doesn't just work for fast..
How to get UIImage from EAGLView? http://stackoverflow.com/questions/1352864/how-to-get-uiimage-from-eaglview trying to get a UIImage from what is displayed in my EAGLView. Any suggestions on how to do this iphone uikit uiview opengl es eaglview share improve this question An EAGLView is just a kind of view and its underlying CAEAGLLayer is just a..
OpenGL ES iPhone - drawing anti aliased lines http://stackoverflow.com/questions/1813035/opengl-es-iphone-drawing-anti-aliased-lines but on the iPhone the lines get extremely thin and w o any anti aliasing. How do you get AA on iPhone iphone opengl es line antialiasing share improve this question One can achieve the effect of anti aliasing very cheaply using vertices..
Where to start openGL ES to create and rotate a cube in an iPhone? [closed] http://stackoverflow.com/questions/2857463/where-to-start-opengl-es-to-create-and-rotate-a-cube-in-an-iphone Where should I start to be able to do this app I'm searching for some tutorials or exemples. Thanks iphone 3d opengl es share improve this question I created an OpenGL ES sample application that displays a textured cube and lets you..
Any one know of an OpenGL ES example of an interactive globe/earth for the iPhone http://stackoverflow.com/questions/322111/any-one-know-of-an-opengl-es-example-of-an-interactive-globe-earth-for-the-iphon similar to the one in the Smule products. Any help will be great even if it is just part of the solution. iphone opengl es share improve this question Someone just pointed me to this question. I have one It's called WhirlyGlobe and it's..
http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code gyroscope sample code I am planning to develop an gyroscope based project like rotating an opengl texture using gyroscope data is there any sample code released from apple about gyroscope or any tutorial about integrating..
Want to display a 3D model on the iPhone: how to get started? http://stackoverflow.com/questions/413919/want-to-display-a-3d-model-on-the-iphone-how-to-get-started which doesn't seem that suited for 3D apps. Basically I'm confused about what my first steps should be. iphone ios opengl es share improve this question You should probably start with some simpler iphone apps tutorials just to get your footing..
Rendering to non-power-of-two texture on iPhone http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone buffer which isn't POT sized. But OpenGL ES 1.1 requires textures to be POT. Maybe it can't be done on ES 1.1 iphone opengl es render to texture share improve this question While OpenGL ES 1.1 does not support non power of two textures newer..
Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone http://stackoverflow.com/questions/4876488/animation-in-opengl-es-view-freezes-when-uiscrollview-is-dragged-on-iphone 2G device. Any ideas on what to do to prevent pause of the EAGLView apart from coding my own scroll view iphone opengl es uikit uiscrollview share improve this question Whether CADisplayLink fires during scrolls depends on the mode with..
OpenGL Texture Coordinates in Pixel Space http://stackoverflow.com/questions/5879403/opengl-texture-coordinates-in-pixel-space 2 GL_SHORT 0 0 texcoords glEnableVertexAttribArray ATTRIB_TEXTUREPOSITON iphone objective c cocoa touch opengl es share improve this question This has been asked a few times but I don't have the links at hand so a quick and rough..
CADisplayLink OpenGL rendering breaks UIScrollView behaviour http://stackoverflow.com/questions/5944050/cadisplaylink-opengl-rendering-breaks-uiscrollview-behaviour related CADisplayLink NSRunLoop Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone iphone opengl es share improve this question It's possible that slow updates on the main thread triggered by the CADisplayLink are..
learning iphone game development http://stackoverflow.com/questions/720901/learning-iphone-game-development there to learn iphone development and open gl on iphone. Books websites etc your tips are much appreciated. iphone opengl es share improve this question I'd skip OpenGL until later I'd start off with a 2D game otherwise its likely overwhelming...
http://stackoverflow.com/questions/72288/learning-opengl-es-1-x important concepts. Note For answers about learning general OpenGL see http stackoverflow.com questions 62540 learning opengl Some resources I've found http khronos.org opengles 1_X http www.imgtec.com powervr insider sdk KhronosOpenGLES1xMBX.asp.. general OpenGL see http stackoverflow.com questions 62540 learning opengl Some resources I've found http khronos.org opengles 1_X http www.imgtec.com powervr insider sdk KhronosOpenGLES1xMBX.asp OpenGL Distilled by Paul Martz a good refresher on.. insider sdk KhronosOpenGLES1xMBX.asp OpenGL Distilled by Paul Martz a good refresher on OpenGL basics iphone 3d opengl es share improve this question There is some documentation in iPhone SDK itself. Other than that just take what you..
Graph generation on iPhone [closed] http://stackoverflow.com/questions/794562/graph-generation-on-iphone to find any libraries that are confirmed to work on the iPhone. If you've written your own how did you go about it opengl quartz etc or if you used a library which one iphone cocoa touch share improve this question I have been keeping my..
http://stackoverflow.com/questions/8482327/learning-opengles-2-0-on-ios unfortunately they cover OpenGL ES 1.1 and are only describing the basics. Any help would be appreciated iphone ios opengl es opengl es 2.0 share improve this question It's a lot easier to find OpenGL ES 2.0 material for iOS or any OS really.. they cover OpenGL ES 1.1 and are only describing the basics. Any help would be appreciated iphone ios opengl es opengl es 2.0 share improve this question It's a lot easier to find OpenGL ES 2.0 material for iOS or any OS really than it..
Faster alternative to glReadPixels in iPhone OpenGL ES 2.0 http://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 like using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It.. using Pixel Buffer Object and glMapBuffer but it seems that OpenGL ES 2.0 does not support them. iphone ios opengl es opengl es 2.0 share improve this question As of iOS 5.0 there is now a faster way to grab data from OpenGL ES. It isn't readily.. kCFAllocatorDefault coreVideoTextureCache renderTarget NULL texture attributes GL_TEXTURE_2D GL_RGBA opengl format int videoSize.width int videoSize.height GL_BGRA native iOS format GL_UNSIGNED_BYTE 0 renderTexture..
fastest way to draw a screen buffer on the iphone http://stackoverflow.com/questions/2395650/fastest-way-to-draw-a-screen-buffer-on-the-iphone render that to the screen I very much doubt that this is going to be the best way to do it. UPDATE I have tried the openGL screen sized texture method I got 17fps... I used a 512x512 texture because it needs to be a power of two just the call.. also it says the render utilization is only like 5 and all the time is being wasted in a call to Untwiddle32bpp inside openGLES. I can change my software render to natively render to any pixle format if it would result in a more direct blit. fyi..
iPhone OpenGL ES - How to Pick http://stackoverflow.com/questions/2540447/iphone-opengl-es-how-to-pick matrix stuff by hand iphone opengl es matrix touch share improve this question Picking mode is not available in openGL ES. But it's easy to calculate the screen coordinate of any 3d point using the projection matrix retrieved from current.. But it's easy to calculate the screen coordinate of any 3d point using the projection matrix retrieved from current openGL state. Here is how I do it IMPoint2D and IMPoint3D are basic x y and x y z structures IMPoint2D getScreenCoorOfPoint IMPoint3D..
Where to start openGL ES to create and rotate a cube in an iPhone? [closed] http://stackoverflow.com/questions/2857463/where-to-start-opengl-es-to-create-and-rotate-a-cube-in-an-iphone to start openGL ES to create and rotate a cube in an iPhone closed I've done some apps on iPhone using Objevtive C and Cocos2d and I'd..
Understanding the memory consumption on iPhone http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone improve this question I highly doubt this is a bug in Instruments. First read this blog post by Jeff Lamarche about openGL textures has a simple example of how to load textures without causing leaks gives understanding of how small images get.. of how to load textures without causing leaks gives understanding of how small images get once they are loaded into openGL actually use a lot of memory Excerpt Textures even if they're made from compressed images use a lot of your application's..
Choose OpenGL ES 1.1 or OpenGL ES 2.0? http://stackoverflow.com/questions/4784137/choose-opengl-es-1-1-or-opengl-es-2-0 OpenGL ES 1.1 or OpenGL ES 2.0 I'm going to start a new cross plattform openGL project primary for iPhone PC . So theres the main question targeting for OpenGL ES 1.1 or OpenGL ES 2.0 Or both So far.. ES 1.1 or OpenGL ES 2.0 Or both So far I read Open GL ES 1.1 isnt really deprecated isn't it So what would speak for openGL ES 2.0 Programmable vertex fragmentshader Anything else I heard about performance decrease with alpha blending or so can.. fragmentshader Anything else I heard about performance decrease with alpha blending or so can that be true I assume openGL ES 2.0 code should also run on PC So is openGL ES 2.0 is really more future aware The other developers out there are still..
iPhone - having a Ripple effect on a UIImageView http://stackoverflow.com/questions/5973530/iphone-having-a-ripple-effect-on-a-uiimageview how to implement OpenGL for windows and porting it to iOS. I have attempted to use http www.codeproject.com KB openGL dsaqua.aspx as well as cocos2d however I find the latter completely and utterly confusing. Would anyone be willing to give..
iOS CVImageBuffer distorted from AVCaptureSessionDataOutput with AVCaptureSessionPresetPhoto http://stackoverflow.com/questions/6540710/ios-cvimagebuffer-distorted-from-avcapturesessiondataoutput-with-avcapturesessio preset is actually valid image data by taking the buffer and creating a UIImage out of it instead of sending it to openGL CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef context CGBitmapContextCreate CVPixelBufferGetBaseAddress.. bytesPerRow 3456 pixelFormat BGRA # 3456 852 4 48 OpenGL can compensate for this but OpenGL ES cannot more info here openGL SubTexturing So here is how I'm doing it in OpenGL ES CVImageBufferRef pixelBuffer pixelBuffer containing the raw image..
How to implement water ripples? http://stackoverflow.com/questions/665076/how-to-implement-water-ripples an iphone game. In that i had to produce water ripples. I dont know how to get that. I heard thatit can be done with openGL. I am very new to this concept. Can any one guide me iphone opengl es share improve this question Here are some resources..
How to do animations using images efficiently in iOS http://stackoverflow.com/questions/8112698/how-to-do-animations-using-images-efficiently-in-ios any improvement in the code so that the animations can be efficiently done or is there any other alternative like openGL or Core Animation if so can anyone suggest a sample code to do so. iphone ios crash core animation share improve this..
Drawing Smooth Curves - Methods Needed http://stackoverflow.com/questions/8702696/drawing-smooth-curves-methods-needed a java simulation or pages on wikipedia about curve fitting which does nothing for me. Also I do not want to switch to openGL ES. I hope someone can finally provide code to answer this circulating question. Thank You Happy New Year .......................................................................................................................................................................
|